./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash c98790c161dd0f0a72bc39421b34d59015013f23ebb0d9e8106a4170e2e1b5cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:05,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:05,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:41:05,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:05,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:05,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:05,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:05,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:05,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:05,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:05,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:05,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:05,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:05,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:05,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:05,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:05,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:05,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:05,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:05,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:05,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:05,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:05,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:05,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:05,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:05,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:05,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:05,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:05,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:05,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:05,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:05,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:05,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98790c161dd0f0a72bc39421b34d59015013f23ebb0d9e8106a4170e2e1b5cc [2023-11-19 03:41:06,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:06,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:06,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:06,042 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:06,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:06,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i [2023-11-19 03:41:09,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:09,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:09,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i [2023-11-19 03:41:09,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/33052c0c5/7237280db3bc4d36828debb4a41d1f5c/FLAG82fc05ea5 [2023-11-19 03:41:09,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/33052c0c5/7237280db3bc4d36828debb4a41d1f5c [2023-11-19 03:41:09,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:09,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:09,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:09,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:09,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:09,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:09" (1/1) ... [2023-11-19 03:41:09,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6118459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:09, skipping insertion in model container [2023-11-19 03:41:09,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:09" (1/1) ... [2023-11-19 03:41:09,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:10,255 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:11,593 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1484) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1669) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1893) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1510) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:41:11,605 INFO L158 Benchmark]: Toolchain (without parser) took 1883.22ms. Allocated memory is still 148.9MB. Free memory was 110.8MB in the beginning and 86.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:11,605 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:11,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1880.99ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 86.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:11,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1880.99ms. Allocated memory is still 148.9MB. Free memory was 110.2MB in the beginning and 86.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL --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 64bit --witnessprinter.graph.data.programhash c98790c161dd0f0a72bc39421b34d59015013f23ebb0d9e8106a4170e2e1b5cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:14,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:14,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:41:14,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:14,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:14,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:14,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:14,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:14,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:14,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:14,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:14,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:14,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:14,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:14,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:14,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:14,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:14,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:14,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:14,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:14,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:14,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:14,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:14,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:14,293 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:14,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:14,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:14,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:14,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:14,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:14,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:14,297 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:14,297 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:14,297 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:14,298 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:14,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:14,298 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98790c161dd0f0a72bc39421b34d59015013f23ebb0d9e8106a4170e2e1b5cc [2023-11-19 03:41:14,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:14,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:14,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:14,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:14,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:14,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i [2023-11-19 03:41:17,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:18,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:18,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_18_good.i [2023-11-19 03:41:18,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/5d49ad65e/1d3b702005334e94bdd2f9d5936977e9/FLAG5378eaa83 [2023-11-19 03:41:18,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/data/5d49ad65e/1d3b702005334e94bdd2f9d5936977e9 [2023-11-19 03:41:18,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:18,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:18,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:18,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:18,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:18,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335d1d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18, skipping insertion in model container [2023-11-19 03:41:18,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:19,075 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:20,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:20,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:20,371 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:20,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:20,894 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:20,894 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:20,894 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:20,895 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:20,895 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:20,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:20,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20 WrapperNode [2023-11-19 03:41:20,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:20,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:20,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:20,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:20,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:20,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,012 INFO L138 Inliner]: procedures = 944, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 03:41:21,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:21,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:21,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:21,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:21,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:21,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:21,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:21,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:21,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:21,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:21,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:21,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:21,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:41:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:41:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:41:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:41:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:41:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:41:21,379 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:21,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:26,254 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:26,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:26,335 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:41:26,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:26 BoogieIcfgContainer [2023-11-19 03:41:26,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:26,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:26,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:26,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:26,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:26" (1/1) ... [2023-11-19 03:41:26,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-19 03:41:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-19 03:41:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:41:26,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:26,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:26,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:26,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:41:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:26,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:26,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:26,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:26,773 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:26,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:41:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-19 03:41:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-19 03:41:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:26,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:26,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:26,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:26,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:26,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:41:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:27,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:27,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:27,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:27,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-19 03:41:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-19 03:41:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:41:27,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:27,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:27,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:27,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:27,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d340b88-e1f1-472d-9c66-4e854e4ba2ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process