./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32ffc80931eec32719df7516ac9cef0d342f12da4e57d4e3de062230f15f921e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:17,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:17,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 21:55:17,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:17,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:18,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:18,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:18,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:18,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:18,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:18,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:18,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:18,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:18,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:18,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:18,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:18,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:18,009 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:18,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:18,009 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_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32ffc80931eec32719df7516ac9cef0d342f12da4e57d4e3de062230f15f921e [2024-12-05 21:55:18,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:18,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:18,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:18,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:18,268 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:18,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2024-12-05 21:55:20,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/7fca581c6/dbd54c8efe74457ba628531eac6a16df/FLAG41a639bee [2024-12-05 21:55:21,193 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:21,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2024-12-05 21:55:21,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/7fca581c6/dbd54c8efe74457ba628531eac6a16df/FLAG41a639bee [2024-12-05 21:55:21,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/7fca581c6/dbd54c8efe74457ba628531eac6a16df [2024-12-05 21:55:21,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:21,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:21,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:21,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:21,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:21,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:21" (1/1) ... [2024-12-05 21:55:21,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e861c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:21, skipping insertion in model container [2024-12-05 21:55:21,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:21" (1/1) ... [2024-12-05 21:55:21,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:21,694 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:1602) 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:783) 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:1507) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:55:21,700 INFO L158 Benchmark]: Toolchain (without parser) took 143.38ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 107.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:21,701 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:21,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 141.78ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:21,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 141.78ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 107.7MB in the end (delta: 9.2MB). 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_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32ffc80931eec32719df7516ac9cef0d342f12da4e57d4e3de062230f15f921e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:23,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:23,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 21:55:23,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:23,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:23,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:23,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:23,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:23,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:23,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:23,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:55:23,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:23,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:23,509 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:55:23,509 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_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32ffc80931eec32719df7516ac9cef0d342f12da4e57d4e3de062230f15f921e [2024-12-05 21:55:23,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:23,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:23,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:23,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:23,750 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:23,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2024-12-05 21:55:26,409 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/fc9e7c874/136a13ac0afc4201b3d5335d16796219/FLAG4516c32d8 [2024-12-05 21:55:26,603 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:26,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2024-12-05 21:55:26,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/fc9e7c874/136a13ac0afc4201b3d5335d16796219/FLAG4516c32d8 [2024-12-05 21:55:26,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/data/fc9e7c874/136a13ac0afc4201b3d5335d16796219 [2024-12-05 21:55:26,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:26,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:26,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:26,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:26,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:26,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d554ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26, skipping insertion in model container [2024-12-05 21:55:26,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:26,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:26,831 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:26,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:26,871 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:26,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26 WrapperNode [2024-12-05 21:55:26,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:26,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:26,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:26,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:26,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,904 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-12-05 21:55:26,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:26,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:26,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:26,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:26,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:26,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:26,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:26,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:26,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:26" (1/1) ... [2024-12-05 21:55:26,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:26,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:26,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:26,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:55:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:55:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:55:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:55:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:55:27,040 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:27,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:37,923 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:37,923 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:38,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:38,008 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:55:38,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:38 BoogieIcfgContainer [2024-12-05 21:55:38,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:38,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:38,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:38,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:38,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:38" (1/1) ... [2024-12-05 21:55:38,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 21:55:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 21:55:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:55:38,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:38,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:38,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:38,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:55:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:38,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:39,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 21:55:39,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:55:39,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:55:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-05 21:55:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-05 21:55:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:55:39,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:39,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:39,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:55:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:43,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:44,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:55:44,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:55:45,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:55:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-05 21:55:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 21:55:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:55:46,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:46,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:46,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:46,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:46,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:55:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:50,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:51,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:55:51,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:55:53,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:55:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-12-05 21:55:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-05 21:55:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 21:55:57,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:57,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:57,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:57,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:56:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:01,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:56:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:02,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:56:02,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 21:56:05,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:56:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-12-05 21:56:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-05 21:56:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-05 21:56:12,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:12,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:56:12,989 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:56:12,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:56:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:17,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:56:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:18,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:56:18,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 21:56:23,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:56:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2024-12-05 21:56:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-12-05 21:56:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 21:56:33,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:33,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:33,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:56:33,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:56:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:56:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:38,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:56:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:39,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:56:39,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 21:56:45,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:56:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2024-12-05 21:56:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2024-12-05 21:56:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-05 21:56:58,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:58,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:56:58,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:56:58,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:56:58,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:57:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:04,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:57:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:05,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 21:57:05,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:57:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-05 21:57:13,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 21:57:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2024-12-05 21:57:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-12-05 21:57:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 21:57:28,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:57:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:57:28,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:57:28,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 21:57:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:33,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:57:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:35,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:57:35,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:57:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-12-05 21:57:44,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 21:58:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2024-12-05 21:58:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-12-05 21:58:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-05 21:58:00,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:58:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:58:00,982 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:58:00,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 21:58:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:06,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:58:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:07,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 21:58:07,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:58:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 882 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-05 21:58:19,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 21:58:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:58:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2024-12-05 21:58:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2024-12-05 21:58:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-05 21:58:38,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:58:38,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:58:38,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:58:38,597 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:58:38,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 21:58:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:44,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:58:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:58:45,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 21:58:45,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:58:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 1172 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 21:58:58,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 21:59:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2024-12-05 21:59:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-12-05 21:59:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-05 21:59:21,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:59:21,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:59:21,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:59:21,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 21:59:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:27,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:59:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:28,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 21:59:28,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:59:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 0 proven. 1503 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-05 21:59:44,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:00:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2024-12-05 22:00:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-12-05 22:00:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-12-05 22:00:09,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:09,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:00:09,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:00:09,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:00:09,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:00:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:15,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:00:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:17,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:00:17,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:00:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-05 22:00:35,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:01:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 133 states and 189 transitions. [2024-12-05 22:01:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 189 transitions. [2024-12-05 22:01:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-12-05 22:01:04,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:01:04,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:01:04,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:01:04,205 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:01:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:01:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:01:10,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:01:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:01:11,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:01:11,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:01:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 403 proven. 1885 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-12-05 22:01:24,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:01:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 122 states and 172 transitions. [2024-12-05 22:01:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2024-12-05 22:01:36,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:01:36,657 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2024-12-05 22:01:36,667 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-05 22:02:20,884 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-05 22:02:20,884 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2024-12-05 22:02:20,884 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:02:20,884 INFO L77 FloydHoareUtils]: At program point L44(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,884 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,885 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:02:20,885 INFO L77 FloydHoareUtils]: At program point L40-1(line 40) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv7 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv3 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv1 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv10 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv8 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv0 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv9 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv2 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv6 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv4 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv5 32))))) [2024-12-05 22:02:20,885 INFO L77 FloydHoareUtils]: At program point L40-2(line 40) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv7 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv3 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv1 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv10 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv8 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv0 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv9 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv2 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv6 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv4 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv5 32))))) [2024-12-05 22:02:20,885 INFO L77 FloydHoareUtils]: At program point L40-3(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv10 32))) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L40-4(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L40-6(lines 40 70) the Hoare annotation is: true [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L32-1(line 32) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-05 22:02:20,886 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L57-2(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv0 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,886 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,887 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,887 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-05 22:02:20,887 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 15 17) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-05 22:02:20,887 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,887 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv9 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv10 32) ~counter~0)) (not (= (_ bv7 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv6 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)) (not (= (_ bv8 32) ~counter~0)))) [2024-12-05 22:02:20,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:02:20 ImpRootNode [2024-12-05 22:02:20,911 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:02:20,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:02:20,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:02:20,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:02:20,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:38" (3/4) ... [2024-12-05 22:02:20,914 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:02:20,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 22:02:20,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:02:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-12-05 22:02:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-05 22:02:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:02:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:02:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:02:20,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:02:20,978 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:02:20,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:02:20,978 INFO L158 Benchmark]: Toolchain (without parser) took 414349.59ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 43.6MB in the end (delta: 26.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-12-05 22:02:20,979 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:02:20,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.98ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:02:20,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.58ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:02:20,979 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:02:20,979 INFO L158 Benchmark]: RCFGBuilder took 11076.60ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 56.8MB in the end (delta: -3.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 22:02:20,980 INFO L158 Benchmark]: CodeCheck took 402901.40ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 48.6MB in the end (delta: 8.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-12-05 22:02:20,980 INFO L158 Benchmark]: Witness Printer took 66.29ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 43.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:02:20,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 358.6s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1235 SdHoareTripleChecker+Valid, 242.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 931 mSDsluCounter, 1197 SdHoareTripleChecker+Invalid, 232.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 482 mSDsCounter, 1806 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4122 IncrementalHoareTripleChecker+Invalid, 5928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1806 mSolverCounterUnsat, 715 mSDtfsCounter, 4122 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9299 GetRequests, 9193 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3813 ImplicationChecksByTransitivity, 163.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 108.5s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1251 ConstructedInterpolants, 0 QuantifiedInterpolants, 3703 SizeOfPredicates, 142 NumberOfNonLiveVariables, 2882 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1221/10036 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: !(((((((((((2 != counter) && (9 != counter)) && (0 != counter)) && (5 != counter)) && (1 != counter)) && (10 != counter)) && (7 != counter)) && (3 != counter)) && (6 != counter)) && (4 != counter)) && (8 != counter)) - ProcedureContractResult [Line: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (0 == counter) Ensures: ((0 == counter) && (counter == \old(counter))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((((((((((5 == counter) || (6 == counter)) || (1 == counter)) || (8 == counter)) || (3 == counter)) || (7 == counter)) || (4 == counter)) || (2 == counter)) || (10 == counter)) || (9 == counter)) Ensures: (((((((((((5 == counter) || (6 == counter)) || (1 == counter)) || (8 == counter)) || (3 == counter)) || (7 == counter)) || (4 == counter)) || (2 == counter)) || (10 == counter)) || (9 == counter)) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.98ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.58ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11076.60ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 56.8MB in the end (delta: -3.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 402901.40ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 48.6MB in the end (delta: 8.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 66.29ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 43.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:02:21,190 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:02:21,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6bacd8a-7a66-40bc-8aa7-30a78d9e06ca/bin/ukojak-verify-CZk0znPC7b/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: TRUE