./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_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_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/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_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/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_510b59df-4262-458a-a0d7-8a9189b6e8c3/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 d52d715478f8ef1a34bb7740436fad6ceb335e29747d37035730a382409f9211 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:04,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:05,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:09:05,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:05,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:05,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:05,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:05,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:05,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:05,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:05,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:05,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:05,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:05,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:05,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:05,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:05,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:05,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:05,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:05,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:05,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:05,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:05,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:05,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:05,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:05,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:05,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:05,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:05,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:05,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:05,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:05,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:05,122 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_510b59df-4262-458a-a0d7-8a9189b6e8c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52d715478f8ef1a34bb7740436fad6ceb335e29747d37035730a382409f9211 [2023-11-23 20:09:05,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:05,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:05,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:05,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:05,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:05,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i [2023-11-23 20:09:08,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:09,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:09,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i [2023-11-23 20:09:09,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/c1abc4190/fc4628472ba74a229aa9a09db40ebf33/FLAGe87da5f8d [2023-11-23 20:09:09,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/c1abc4190/fc4628472ba74a229aa9a09db40ebf33 [2023-11-23 20:09:09,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:09,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:09,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:09,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:09,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:09,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:09" (1/1) ... [2023-11-23 20:09:09,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ee2c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:09, skipping insertion in model container [2023-11-23 20:09:09,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:09" (1/1) ... [2023-11-23 20:09:09,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:10,137 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:11,703 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.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 20:09:11,713 INFO L158 Benchmark]: Toolchain (without parser) took 2304.96ms. Allocated memory is still 155.2MB. Free memory was 119.6MB in the beginning and 94.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:11,714 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 84.2MB in the beginning and 84.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:11,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2301.67ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 94.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:11,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 84.2MB in the beginning and 84.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2301.67ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 94.5MB in the end (delta: 24.8MB). 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_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/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_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/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_510b59df-4262-458a-a0d7-8a9189b6e8c3/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 d52d715478f8ef1a34bb7740436fad6ceb335e29747d37035730a382409f9211 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:14,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:14,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:09:14,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:14,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:14,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:14,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:14,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:14,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:14,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:14,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:14,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:14,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:14,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:14,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:09:14,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:09:14,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:14,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:09:14,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:14,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:14,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:14,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:14,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:14,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:14,507 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:14,507 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:14,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:14,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:14,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:14,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:14,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:14,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:09:14,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:14,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:14,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:09:14,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:14,512 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_510b59df-4262-458a-a0d7-8a9189b6e8c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52d715478f8ef1a34bb7740436fad6ceb335e29747d37035730a382409f9211 [2023-11-23 20:09:14,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:15,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:15,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:15,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:15,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:15,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i [2023-11-23 20:09:18,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:18,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:18,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_31_good.i [2023-11-23 20:09:18,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/17115eaaf/3c039f552eac47b6b30c42c119a5f63b/FLAG7f0cebb52 [2023-11-23 20:09:18,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/data/17115eaaf/3c039f552eac47b6b30c42c119a5f63b [2023-11-23 20:09:18,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:18,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:18,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:18,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:18,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:18,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:18" (1/1) ... [2023-11-23 20:09:18,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b00958e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:18, skipping insertion in model container [2023-11-23 20:09:18,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:18" (1/1) ... [2023-11-23 20:09:18,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:19,558 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:21,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:21,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:21,198 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:21,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:21,763 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:21,763 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:21,763 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:21,763 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:21,764 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:21,772 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:21,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21 WrapperNode [2023-11-23 20:09:21,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:21,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:21,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:21,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:21,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,886 INFO L138 Inliner]: procedures = 944, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2023-11-23 20:09:21,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:21,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:21,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:21,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:21,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:21,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:21,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:21,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:21,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:21" (1/1) ... [2023-11-23 20:09:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:21,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:21,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:22,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:09:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:09:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:09:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:09:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:09:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:09:22,222 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:22,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:25,456 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:25,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:25,520 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:09:25,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:25 BoogieIcfgContainer [2023-11-23 20:09:25,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:25,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:25,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:25,535 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:25,535 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:25" (1/1) ... [2023-11-23 20:09:25,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-23 20:09:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-23 20:09:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:25,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:25,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:25,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:09:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:25,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:09:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:25,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:25,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:26,090 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 20:09:26,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:09:27,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:09:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:09:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:09:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:27,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:27,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:27,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:27,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:27,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:09:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:27,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:09:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:27,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:27,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:27,986 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 20:09:27,991 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:09:27,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:09:31,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:09:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:09:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:09:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:31,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:31,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:31,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:31,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:09:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:31,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:09:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:31,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:31,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:31,864 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 20:09:31,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:09:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:09:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:09:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:31,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:31,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:31,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:32,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:32,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:09:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:32,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:09:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:32,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:32,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:32,273 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 20:09:32,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:09:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:09:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:09:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:09:32,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:32,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:32,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:32,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:32,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510b59df-4262-458a-a0d7-8a9189b6e8c3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process