./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dba22d6df3d4e3652cbc5549e3bb451cd645bea6f6419ad67cf157d39a1c2871 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:49:38,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:49:38,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:49:38,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:49:38,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:49:38,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:49:38,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:49:38,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:49:38,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:49:38,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:49:38,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:49:38,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:49:38,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:49:38,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:49:38,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:49:38,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:49:38,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:49:38,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:49:38,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:49:38,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:49:38,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:49:38,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:49:38,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:49:38,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:49:38,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:49:38,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:49:38,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:49:38,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:38,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:49:38,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:49:38,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:49:38,511 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:49:38,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:49:38,512 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_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dba22d6df3d4e3652cbc5549e3bb451cd645bea6f6419ad67cf157d39a1c2871 [2024-11-08 22:49:38,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:49:38,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:49:38,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:49:38,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:49:38,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:49:38,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i Unable to find full path for "g++" [2024-11-08 22:49:41,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:49:41,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:49:41,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-11-08 22:49:41,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/9b262ba23/2b12a5fb42a84a3f8fc1100b9817980e/FLAGf61cbacf1 [2024-11-08 22:49:41,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/9b262ba23/2b12a5fb42a84a3f8fc1100b9817980e [2024-11-08 22:49:41,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:49:41,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:49:41,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:41,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:49:41,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:49:41,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:41" (1/1) ... [2024-11-08 22:49:41,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ef5295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:41, skipping insertion in model container [2024-11-08 22:49:41,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:41" (1/1) ... [2024-11-08 22:49:41,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:49:41,933 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-08 22:49:41,951 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1625) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1520) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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) [2024-11-08 22:49:41,957 INFO L158 Benchmark]: Toolchain (without parser) took 311.81ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 128.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:49:41,959 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 127.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:49:41,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.51ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 128.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:49:41,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 127.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.51ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 128.9MB in the end (delta: 10.8MB). 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:627) 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_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dba22d6df3d4e3652cbc5549e3bb451cd645bea6f6419ad67cf157d39a1c2871 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:49:44,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:49:45,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:49:45,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:49:45,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:49:45,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:49:45,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:49:45,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:49:45,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:49:45,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:49:45,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:49:45,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:49:45,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:49:45,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:49:45,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:49:45,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:49:45,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:49:45,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:49:45,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:49:45,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:49:45,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:49:45,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:49:45,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:49:45,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:49:45,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:49:45,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:49:45,154 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:45,155 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:49:45,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:49:45,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:45,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:49:45,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:49:45,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:49:45,157 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:49:45,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:45,158 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:49:45,158 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_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dba22d6df3d4e3652cbc5549e3bb451cd645bea6f6419ad67cf157d39a1c2871 [2024-11-08 22:49:45,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:49:45,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:49:45,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:49:45,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:49:45,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:49:45,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i Unable to find full path for "g++" [2024-11-08 22:49:48,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:49:48,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:49:48,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-11-08 22:49:48,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/a0569f2a4/2b6cbfc4181747c9ab597f9b82fe4929/FLAGfd64b93ed [2024-11-08 22:49:48,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/data/a0569f2a4/2b6cbfc4181747c9ab597f9b82fe4929 [2024-11-08 22:49:48,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:49:48,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:49:48,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:48,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:49:48,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:49:48,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:48" (1/1) ... [2024-11-08 22:49:48,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c390846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:48, skipping insertion in model container [2024-11-08 22:49:48,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:48" (1/1) ... [2024-11-08 22:49:48,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:49:49,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-08 22:49:49,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:49,181 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:49:49,203 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-08 22:49:49,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:49,303 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:49:49,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49 WrapperNode [2024-11-08 22:49:49,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:49,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:49,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:49:49,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:49:49,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,381 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-11-08 22:49:49,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:49,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:49:49,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:49:49,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:49:49,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:49:49,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:49:49,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:49:49,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:49:49,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:49" (1/1) ... [2024-11-08 22:49:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:49:49,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:49:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:49:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:49:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:49:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:49:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:49:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:49:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:49:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:49:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:49:49,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:49:49,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:50:00,617 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:50:00,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:50:00,730 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:50:00,730 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:50:00,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:00 BoogieIcfgContainer [2024-11-08 22:50:00,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:50:00,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:50:00,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:50:00,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:50:00,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:00" (1/1) ... [2024-11-08 22:50:00,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:50:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:50:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:50:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:50:00,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:00,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:00,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:00,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:00,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:50:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:07,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:50:09,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:34,342 WARN L286 SmtUtils]: Spent 20.15s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:50:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:50:35,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:50:48,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:50:58,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:12,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:13,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:23,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 39 transitions. [2024-11-08 22:51:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:51:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:51:26,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:26,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:26,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:26,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:51:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:30,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:51:32,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:51:33,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:51:55,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:51:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 45 transitions. [2024-11-08 22:51:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-08 22:51:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:51:56,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:56,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:56,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:56,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:52:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:02,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:04,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:52:04,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:52:15,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:34,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 56 transitions. [2024-11-08 22:53:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-08 22:53:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:53:06,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:06,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:06,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:06,669 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:06,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:53:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:53:21,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:53:28,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:43,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:53:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 60 transitions. [2024-11-08 22:53:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2024-11-08 22:53:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:53:51,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:51,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:51,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:53:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:05,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:53,751 WARN L286 SmtUtils]: Spent 20.41s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:55:24,695 WARN L286 SmtUtils]: Spent 20.35s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:55:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:55:25,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:55:56,468 WARN L286 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 71 DAG size of output: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:21,504 WARN L286 SmtUtils]: Spent 9.60s on a formula simplification. DAG size of input: 73 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:46,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:57:11,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:57:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 72 transitions. [2024-11-08 22:57:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-11-08 22:57:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:57:16,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:16,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:16,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:16,216 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:16,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:57:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:21,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:57:31,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:31,380 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) 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) [2024-11-08 22:57:31,383 INFO L158 Benchmark]: Toolchain (without parser) took 462626.60ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 38.9MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:57:31,384 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:31,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.75ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 53.4MB in the end (delta: -2.3MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-08 22:57:31,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.45ms. Allocated memory is still 75.5MB. Free memory was 53.4MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:57:31,386 INFO L158 Benchmark]: Boogie Preprocessor took 48.60ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:31,387 INFO L158 Benchmark]: RCFGBuilder took 11299.71ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 43.7MB in the end (delta: 6.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-08 22:57:31,388 INFO L158 Benchmark]: CodeCheck took 450647.32ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 38.9MB in the end (delta: 4.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 22:57:31,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.75ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 53.4MB in the end (delta: -2.3MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.45ms. Allocated memory is still 75.5MB. Free memory was 53.4MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.60ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11299.71ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 43.7MB in the end (delta: 6.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 450647.32ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 38.9MB in the end (delta: 4.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:57:31,601 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 22:57:31,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed8b7b2-a353-4db3-bab5-1fba3a9b8558/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown