./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/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_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/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_4c86a937-7743-42b3-906c-7c8194e8ebd4/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 b36cf8c765ea765c533b4e33caa2c69c28a50777a8e1c35b8c8b0e5dd9abe13d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:39,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:39,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:02:39,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:39,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:39,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:39,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:39,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:39,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:39,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:39,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:39,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:39,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:39,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:39,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:39,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:39,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:39,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:39,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:39,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:39,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:39,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:39,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:39,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:39,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:39,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:39,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:39,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:39,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:39,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:39,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:39,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:39,667 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_4c86a937-7743-42b3-906c-7c8194e8ebd4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36cf8c765ea765c533b4e33caa2c69c28a50777a8e1c35b8c8b0e5dd9abe13d [2023-11-19 03:02:39,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:40,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:40,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:40,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:40,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:40,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i [2023-11-19 03:02:43,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:44,148 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:44,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i [2023-11-19 03:02:44,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/39627deac/a8c26cea64a14a398c135f3caf7de085/FLAG9adfa3214 [2023-11-19 03:02:44,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/39627deac/a8c26cea64a14a398c135f3caf7de085 [2023-11-19 03:02:44,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:44,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:44,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:44,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:44,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:44,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:44" (1/1) ... [2023-11-19 03:02:44,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ed27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:44, skipping insertion in model container [2023-11-19 03:02:44,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:44" (1/1) ... [2023-11-19 03:02:44,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:44,979 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:02:46,533 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.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.visit(CHandler.java:1700) 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.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 03:02:46,540 INFO L158 Benchmark]: Toolchain (without parser) took 2317.70ms. Allocated memory is still 182.5MB. Free memory was 131.5MB in the beginning and 107.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:46,541 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:46,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2311.92ms. Allocated memory is still 182.5MB. Free memory was 130.9MB in the beginning and 107.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:46,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2311.92ms. Allocated memory is still 182.5MB. Free memory was 130.9MB in the beginning and 107.3MB in the end (delta: 23.6MB). 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/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_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/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_4c86a937-7743-42b3-906c-7c8194e8ebd4/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 b36cf8c765ea765c533b4e33caa2c69c28a50777a8e1c35b8c8b0e5dd9abe13d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:49,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:49,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:02:49,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:49,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:49,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:49,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:49,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:49,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:49,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:49,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:49,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:49,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:49,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:49,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:49,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:49,606 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:49,607 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:49,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:49,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:49,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:49,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:49,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:49,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:49,612 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:49,613 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:49,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:49,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:49,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:49,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:49,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:49,617 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:49,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:49,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:49,618 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:49,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:49,619 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_4c86a937-7743-42b3-906c-7c8194e8ebd4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36cf8c765ea765c533b4e33caa2c69c28a50777a8e1c35b8c8b0e5dd9abe13d [2023-11-19 03:02:50,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:50,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:50,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:50,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:50,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:50,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i [2023-11-19 03:02:53,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:54,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:54,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_02_good.i [2023-11-19 03:02:54,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/499e098c1/b38905ff9a744d729010b26f32cb793e/FLAG7693f4d3c [2023-11-19 03:02:54,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/data/499e098c1/b38905ff9a744d729010b26f32cb793e [2023-11-19 03:02:54,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:54,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:54,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:54,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:54,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:54,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:54" (1/1) ... [2023-11-19 03:02:54,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d818e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:54, skipping insertion in model container [2023-11-19 03:02:54,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:54" (1/1) ... [2023-11-19 03:02:54,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:55,193 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:02:56,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:56,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:56,614 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:02:56,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:56,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:56,999 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:56,999 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:56,999 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:56,999 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:57,000 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:57,008 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:57,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57 WrapperNode [2023-11-19 03:02:57,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:57,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:57,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:57,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:57,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,117 INFO L138 Inliner]: procedures = 947, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2023-11-19 03:02:57,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:57,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:57,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:57,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:57,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:57,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:57,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:57,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:57,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:57,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:57,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:02:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:02:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:02:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:02:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:02:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:57,479 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:57,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:10,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:10,566 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:10,567 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:03:10,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:10 BoogieIcfgContainer [2023-11-19 03:03:10,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:10,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:10,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:10,587 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:10,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:10" (1/1) ... [2023-11-19 03:03:10,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2023-11-19 03:03:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-19 03:03:10,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:03:10,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:10,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:10,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:03:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:10,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:10,928 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 03:03:10,930 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:03:10,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 79 transitions. [2023-11-19 03:03:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-19 03:03:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:10,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:10,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:10,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:03:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:11,263 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 03:03:11,266 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:03:11,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:03:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 78 transitions. [2023-11-19 03:03:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-19 03:03:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:03:11,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:11,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:11,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:03:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:11,631 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 03:03:11,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 79 transitions. [2023-11-19 03:03:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-19 03:03:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:11,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:11,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:11,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:11,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a937-7743-42b3-906c-7c8194e8ebd4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process