./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/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_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/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_8bbfe052-dbd0-460b-9618-98fda5565535/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 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:57:09,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:57:09,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 19:57:09,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:57:09,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:57:09,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:57:09,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:57:09,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:57:09,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:57:09,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:57:09,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:57:09,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:57:09,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:57:09,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:57:09,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:57:09,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:57:09,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:57:09,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:57:09,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:57:09,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:57:09,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:57:09,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:57:09,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:57:09,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:57:09,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:57:09,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:09,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:57:09,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:57:09,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:57:09,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:57:09,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:57:09,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:57:09,456 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_8bbfe052-dbd0-460b-9618-98fda5565535/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da [2023-11-23 19:57:09,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:57:09,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:57:09,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:57:09,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:57:09,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:57:09,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2023-11-23 19:57:12,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:13,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:13,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2023-11-23 19:57:13,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/40a387a5c/ca97a328eabe4300af9c26c688fb8b92/FLAGbb3a7d483 [2023-11-23 19:57:13,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/40a387a5c/ca97a328eabe4300af9c26c688fb8b92 [2023-11-23 19:57:13,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:13,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:13,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:13,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:13,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:13,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:13" (1/1) ... [2023-11-23 19:57:13,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f5b2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:13, skipping insertion in model container [2023-11-23 19:57:13,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:13" (1/1) ... [2023-11-23 19:57:13,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:14,090 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:15,772 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.handleLoops(CHandler.java:3563) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) 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 19:57:15,784 INFO L158 Benchmark]: Toolchain (without parser) took 2335.04ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 64.3MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 19:57:15,784 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:57:15,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2329.69ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 64.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 19:57:15,788 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 132.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2329.69ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 64.3MB in the end (delta: 24.0MB). 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/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_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/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_8bbfe052-dbd0-460b-9618-98fda5565535/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 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:57:18,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:57:18,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 19:57:18,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:57:18,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:57:18,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:57:18,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:57:18,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:57:18,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:57:18,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:57:18,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:57:18,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:57:18,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:57:18,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:57:18,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:57:18,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:57:18,671 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:57:18,672 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:57:18,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:57:18,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:57:18,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:57:18,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:57:18,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:57:18,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:57:18,676 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:18,676 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:57:18,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:57:18,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:18,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:57:18,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:57:18,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:57:18,680 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:57:18,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:18,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:57:18,681 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:57:18,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:57:18,682 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_8bbfe052-dbd0-460b-9618-98fda5565535/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da [2023-11-23 19:57:19,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:57:19,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:57:19,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:57:19,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:57:19,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:57:19,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2023-11-23 19:57:22,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:22,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:22,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2023-11-23 19:57:22,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/61bc8f2d7/8686cd38b6c04c838e8742ac1a84fb9a/FLAGc079b0d7c [2023-11-23 19:57:22,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/data/61bc8f2d7/8686cd38b6c04c838e8742ac1a84fb9a [2023-11-23 19:57:22,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:22,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:22,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:22,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:22,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:22,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:22" (1/1) ... [2023-11-23 19:57:22,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4616e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:22, skipping insertion in model container [2023-11-23 19:57:22,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:22" (1/1) ... [2023-11-23 19:57:22,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:23,550 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:24,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:24,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:57:24,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:25,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:25,532 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:25,533 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:25,533 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:25,533 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:25,533 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:25,542 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:57:25,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25 WrapperNode [2023-11-23 19:57:25,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:25,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:25,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:57:25,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:57:25,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,630 INFO L138 Inliner]: procedures = 944, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2023-11-23 19:57:25,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:25,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:57:25,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:57:25,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:57:25,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:57:25,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:57:25,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:57:25,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:57:25,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:25" (1/1) ... [2023-11-23 19:57:25,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:25,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:57:25,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:57:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:57:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 19:57:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 19:57:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:57:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:57:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:57:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:57:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:57:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:57:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:57:25,923 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:57:25,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:57:33,057 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:57:33,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:57:33,111 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 19:57:33,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:33 BoogieIcfgContainer [2023-11-23 19:57:33,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:57:33,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:57:33,114 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:57:33,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:57:33,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:33" (1/1) ... [2023-11-23 19:57:33,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:57:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-23 19:57:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-23 19:57:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:57:33,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:33,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:33,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:33,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:33,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 19:57:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:33,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:33,439 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 19:57:33,442 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:33,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 19:57:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-23 19:57:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-23 19:57:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:57:33,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:33,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:33,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:33,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:33,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 19:57:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:33,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:33,790 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 19:57:33,792 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:33,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 19:57:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-23 19:57:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-23 19:57:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 19:57:33,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:33,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:33,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:33,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 19:57:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:34,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:34,186 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:34,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-11-23 19:57:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-23 19:57:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:57:34,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:34,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:34,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:34,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:34,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 19:57:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:34,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:57:34,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-11-23 19:57:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-23 19:57:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:57:34,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:34,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:34,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:34,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:34,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 19:57:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:34,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:57:34,808 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:34,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-11-23 19:57:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-23 19:57:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:34,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:34,833 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:34,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 19:57:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:34,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:34,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:57:35,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-23 19:57:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-11-23 19:57:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-23 19:57:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:35,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:35,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:35,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 19:57:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:35,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 19:57:35,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-23 19:57:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-23 19:57:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 19:57:35,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:35,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:35,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:35,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 19:57:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:35,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:36,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:39,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:57:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2023-11-23 19:57:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-23 19:57:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:57:39,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:39,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:39,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:39,187 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:39,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 19:57:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:39,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:57:39,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-23 19:57:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-23 19:57:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:39,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:39,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:39,405 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:39,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 19:57:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:39,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:57:39,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2023-11-23 19:57:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-23 19:57:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:57:40,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:40,669 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:40,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-23 19:57:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:41,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 19:57:41,162 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:41,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-11-23 19:57:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2023-11-23 19:57:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-23 19:57:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 19:57:41,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:41,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:41,297 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:41,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-23 19:57:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:57:41,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 19:57:41,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2023-11-23 19:57:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2023-11-23 19:57:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 19:57:41,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:41,901 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:41,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-23 19:57:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:42,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:42,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:42,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:57:43,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2023-11-23 19:57:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-23 19:57:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 19:57:55,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:55,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:55,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:55,659 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:55,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-23 19:57:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:55,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:56,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:57:56,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 19:57:56,255 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:57:56,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2023-11-23 19:57:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-23 19:57:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 19:57:58,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:58,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:58,131 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:58,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-23 19:57:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:58,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:57:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:58,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:57:58,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 19:57:58,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-23 19:57:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2023-11-23 19:57:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-23 19:57:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:57:59,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:59,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:57:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:57:59,701 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:57:59,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-23 19:58:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:00,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:58:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:00,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 19:58:00,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 19:58:00,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-23 19:58:01,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:58:01,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:01,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2023-11-23 19:58:01,615 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-23 19:58:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:58:01,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:58:01,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:58:01,623 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:58:01,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-23 19:58:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:01,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:58:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:01,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 19:58:01,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 19:58:02,130 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:58:02,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-23 19:58:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 45 transitions. [2023-11-23 19:58:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-23 19:58:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:58:04,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:04,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:58:04,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:58:04,148 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:58:04,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-23 19:58:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:04,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:58:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:04,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:58:04,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 19:58:04,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-11-23 19:58:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:58:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 44 transitions. [2023-11-23 19:58:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-23 19:58:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:58:04,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:58:04,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:58:04,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:58:04,385 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:58:04,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-23 19:58:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:04,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 19:58:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:58:04,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 19:58:04,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:58:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 19:58:05,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbfe052-dbd0-460b-9618-98fda5565535/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0