./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC --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 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:24,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:24,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:12:24,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:24,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:24,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:24,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:24,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:24,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:24,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:24,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:24,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:24,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:24,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:24,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:24,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:24,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:24,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:24,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:24,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:24,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:24,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:24,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:24,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:24,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:24,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:24,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:24,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:24,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:24,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:24,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:24,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:24,736 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_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2023-11-23 20:12:25,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:25,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:25,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:25,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:25,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:25,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2023-11-23 20:12:28,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:28,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:28,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2023-11-23 20:12:28,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/51abe4e3e/3933212310c244c0b367e97bc940151b/FLAG739bb8d34 [2023-11-23 20:12:28,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/51abe4e3e/3933212310c244c0b367e97bc940151b [2023-11-23 20:12:28,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:28,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:28,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:28,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:28,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:28,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:28" (1/1) ... [2023-11-23 20:12:28,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b2c1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:28, skipping insertion in model container [2023-11-23 20:12:28,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:28" (1/1) ... [2023-11-23 20:12:28,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:29,359 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:30,846 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:2213) 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:1486) 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:1671) 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:1702) 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:1512) 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:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) 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) [2023-11-23 20:12:30,858 INFO L158 Benchmark]: Toolchain (without parser) took 2055.20ms. Allocated memory is still 220.2MB. Free memory was 168.1MB in the beginning and 142.9MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,859 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 137.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:30,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2051.13ms. Allocated memory is still 220.2MB. Free memory was 167.6MB in the beginning and 142.9MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 137.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2051.13ms. Allocated memory is still 220.2MB. Free memory was 167.6MB in the beginning and 142.9MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. 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_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC --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 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:33,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:33,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:12:33,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:33,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:33,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:33,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:33,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:33,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:33,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:33,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:33,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:33,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:33,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:33,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:12:33,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:12:33,867 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:33,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:12:33,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:33,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:33,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:33,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:33,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:33,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:33,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:33,873 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:33,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:33,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:33,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:33,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:33,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:33,878 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:12:33,878 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:33,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:33,879 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:12:33,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:33,880 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_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2023-11-23 20:12:34,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:34,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:34,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:34,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:34,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:34,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2023-11-23 20:12:37,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:38,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:38,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2023-11-23 20:12:38,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/2ab716b38/57d29cc0be1c45a2a23bd511d0020346/FLAG1fc0ee77a [2023-11-23 20:12:38,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/data/2ab716b38/57d29cc0be1c45a2a23bd511d0020346 [2023-11-23 20:12:38,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:38,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:38,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:38,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:38,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:38,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f035ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38, skipping insertion in model container [2023-11-23 20:12:38,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:38,867 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:40,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:40,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:40,311 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:40,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:40,641 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,642 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,642 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,642 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,642 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,643 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:40,652 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:40,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40 WrapperNode [2023-11-23 20:12:40,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:40,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:40,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:40,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:40,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,747 INFO L138 Inliner]: procedures = 949, calls = 95, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2023-11-23 20:12:40,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:40,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:40,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:40,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:40,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:40,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:40,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:40,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:40,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:40" (1/1) ... [2023-11-23 20:12:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:40,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:40,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:12:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:12:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-23 20:12:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-23 20:12:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:12:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:12:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:12:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:12:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:12:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:12:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-23 20:12:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-23 20:12:41,187 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:41,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:56,037 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:56,126 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:56,128 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:56,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:56 BoogieIcfgContainer [2023-11-23 20:12:56,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:56,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:56,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:56,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:56,147 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2023-11-23 20:12:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-11-23 20:12:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:56,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:56,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:56,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:12:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:56,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:56,702 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:56,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2023-11-23 20:12:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2023-11-23 20:12:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:56,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:56,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:56,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:56,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:12:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:57,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:57,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2023-11-23 20:12:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-11-23 20:12:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:57,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:57,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:57,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:57,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:12:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:57,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:57,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2023-11-23 20:12:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-11-23 20:12:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:57,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:57,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:57,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c928ba1a-665d-4288-95cb-da5521f25930/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process