./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 22:48:23,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:23,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:48:23,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:48:23,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:48:23,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:23,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:48:23,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:48:23,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:23,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:23,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:48:23,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:23,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:23,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:23,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:23,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:48:23,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 22:48:24,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:24,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:24,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:24,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:24,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:24,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i Unable to find full path for "g++" [2024-11-13 22:48:26,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:26,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:26,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-11-13 22:48:26,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/0131a9062/6745af2f09b24ca7bd71896aeb0d5baf/FLAGa242bd30e [2024-11-13 22:48:26,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/0131a9062/6745af2f09b24ca7bd71896aeb0d5baf [2024-11-13 22:48:26,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:48:26,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:48:26,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:26,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:48:26,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:48:26,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:26" (1/1) ... [2024-11-13 22:48:26,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9c0fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:26, skipping insertion in model container [2024-11-13 22:48:26,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:26" (1/1) ... [2024-11-13 22:48:26,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:48:26,970 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_12f61c95-4364-4be6-81f2-683bc69efb4f/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-13 22:48:26,996 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:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1611) 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:1516) 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:1638) 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:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:48:27,003 INFO L158 Benchmark]: Toolchain (without parser) took 271.25ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 82.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:48:27,003 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:48:27,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 82.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:48:27,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 82.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 22:48:30,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:30,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:48:30,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:30,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:48:30,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:48:30,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:30,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:30,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:48:30,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:48:30,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:30,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:48:30,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:30,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:30,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:30,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:30,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:48:30,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:48:30,269 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:30,269 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:48:30,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 22:48:30,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:30,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:30,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:30,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:30,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:30,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i Unable to find full path for "g++" [2024-11-13 22:48:32,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:33,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:33,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-11-13 22:48:33,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/adc66314c/da2404beb1944476a0e1d9653de0882b/FLAG06fbdcdce [2024-11-13 22:48:33,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/data/adc66314c/da2404beb1944476a0e1d9653de0882b [2024-11-13 22:48:33,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:48:33,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:48:33,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:33,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:48:33,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:48:33,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580108b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33, skipping insertion in model container [2024-11-13 22:48:33,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:48:33,362 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_12f61c95-4364-4be6-81f2-683bc69efb4f/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-13 22:48:33,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:33,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:48:33,483 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_12f61c95-4364-4be6-81f2-683bc69efb4f/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i[948,961] [2024-11-13 22:48:33,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:48:33,537 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:48:33,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33 WrapperNode [2024-11-13 22:48:33,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:48:33,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:33,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:48:33,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:48:33,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,590 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-11-13 22:48:33,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:48:33,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:48:33,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:48:33,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:48:33,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:48:33,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:48:33,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:48:33,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:48:33,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:33" (1/1) ... [2024-11-13 22:48:33,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:48:33,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:48:33,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:48:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:48:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:48:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:48:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:48:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:48:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:48:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:48:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:48:33,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:48:33,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:44,949 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:44,949 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:45,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:45,102 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:48:45,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:45 BoogieIcfgContainer [2024-11-13 22:48:45,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:45,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:45,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:45,117 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:45,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:45" (1/1) ... [2024-11-13 22:48:45,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 22:48:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 22:48:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:48:45,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:45,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:45,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:45,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:45,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:48:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:52,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:53,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:48:53,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:49:18,504 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) [2024-11-13 22:49:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:49:19,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:49:33,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:43,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:50,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:59,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.04s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:50:10,260 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 [] [2024-11-13 22:50:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 39 transitions. [2024-11-13 22:50:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 22:50:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:50:13,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:13,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:13,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:13,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:13,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:50:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:18,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:19,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:50:19,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:50:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:50:20,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:50:42,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:50:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 45 transitions. [2024-11-13 22:50:43,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:50:43,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:50:43,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:43,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:43,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:43,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:43,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:50:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:50,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:50:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:51,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:50:51,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:51:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:51:04,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:51:24,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:51:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 56 transitions. [2024-11-13 22:51:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-13 22:51:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:51:55,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:55,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:55,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:55,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:55,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:52:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:00,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:52:11,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:52:11,003 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) [2024-11-13 22:52:11,008 INFO L158 Benchmark]: Toolchain (without parser) took 217896.10ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 40.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-13 22:52:11,008 INFO L158 Benchmark]: CDTParser took 4.44ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:11,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.78ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 47.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:11,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.10ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:11,010 INFO L158 Benchmark]: Boogie Preprocessor took 51.22ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:11,010 INFO L158 Benchmark]: RCFGBuilder took 11459.11ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 57.9MB in the end (delta: -12.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-13 22:52:11,011 INFO L158 Benchmark]: CodeCheck took 205903.64ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-13 22:52:11,013 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 4.44ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.78ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 47.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.10ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.22ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11459.11ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 57.9MB in the end (delta: -12.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * CodeCheck took 205903.64ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:52:11,225 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:52:11,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f61c95-4364-4be6-81f2-683bc69efb4f/bin/ukojak-verify-EEHR8qb7sm/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