./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2 --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 d701fdb7e2ac023ebab53a6a69a85c55967ffa7abc00ceacce7599b0e4ccb0b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:06,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:06,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:55:06,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:06,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:06,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:06,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:06,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:06,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:06,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:06,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:06,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:06,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:06,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:06,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:06,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:06,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:06,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:06,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:06,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:06,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:06,985 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:06,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:06,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:06,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:06,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:06,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:06,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:06,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:06,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:06,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:06,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:06,990 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_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d701fdb7e2ac023ebab53a6a69a85c55967ffa7abc00ceacce7599b0e4ccb0b0 [2023-11-21 18:55:07,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:07,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:07,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:07,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:07,383 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:07,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i [2023-11-21 18:55:10,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:11,040 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:11,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i [2023-11-21 18:55:11,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/589e81370/74499c587ecb4476984c7f42c653bb3c/FLAG5685b19ba [2023-11-21 18:55:11,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/589e81370/74499c587ecb4476984c7f42c653bb3c [2023-11-21 18:55:11,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:11,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:11,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:11,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:11,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:11,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:11" (1/1) ... [2023-11-21 18:55:11,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47287df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:11, skipping insertion in model container [2023-11-21 18:55:11,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:11" (1/1) ... [2023-11-21 18:55:11,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:11,744 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:13,264 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.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) [2023-11-21 18:55:13,272 INFO L158 Benchmark]: Toolchain (without parser) took 2159.67ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 71.9MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:13,273 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:13,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2156.57ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 71.9MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:13,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2156.57ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 71.9MB in the end (delta: 25.1MB). 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_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2 --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 d701fdb7e2ac023ebab53a6a69a85c55967ffa7abc00ceacce7599b0e4ccb0b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:15,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:15,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:55:15,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:15,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:15,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:15,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:15,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:15,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:15,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:15,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:15,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:15,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:15,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:15,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:55:15,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:55:15,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:15,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:55:15,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:15,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:15,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:15,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:15,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:15,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:15,939 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:15,939 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:15,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:15,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:15,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:15,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:15,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:15,942 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:55:15,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:15,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:15,943 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:55:15,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:15,944 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_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d701fdb7e2ac023ebab53a6a69a85c55967ffa7abc00ceacce7599b0e4ccb0b0 [2023-11-21 18:55:16,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:16,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:16,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:16,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:16,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:16,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i [2023-11-21 18:55:19,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:20,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:20,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_54_good.i [2023-11-21 18:55:20,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/abe2626db/a98cd7c776144722a7dd5a96d6565dea/FLAG36f3d523c [2023-11-21 18:55:20,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/data/abe2626db/a98cd7c776144722a7dd5a96d6565dea [2023-11-21 18:55:20,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:20,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:20,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:20,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:20,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:20,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:20" (1/1) ... [2023-11-21 18:55:20,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442fd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:20, skipping insertion in model container [2023-11-21 18:55:20,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:20" (1/1) ... [2023-11-21 18:55:20,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:21,092 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:22,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:22,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:22,433 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:22,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:22,888 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:22,889 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:22,889 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:22,889 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:22,889 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:22,898 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:22,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22 WrapperNode [2023-11-21 18:55:22,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:22,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:22,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:22,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:22,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:22,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:22,999 INFO L138 Inliner]: procedures = 952, calls = 69, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 68 [2023-11-21 18:55:23,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:23,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:23,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:23,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:23,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:23,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:23,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:23,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:23,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:22" (1/1) ... [2023-11-21 18:55:23,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:23,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:23,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:55:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:55:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:55:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:55:23,403 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:23,405 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:32,087 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:32,169 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:32,174 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:55:32,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:32 BoogieIcfgContainer [2023-11-21 18:55:32,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:32,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:32,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:32,189 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:32,190 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:32" (1/1) ... [2023-11-21 18:55:32,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-21 18:55:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-21 18:55:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:55:32,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:32,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:32,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:32,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:32,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:55:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:32,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:55:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:32,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:55:32,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:32,703 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:55:32,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:55:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-21 18:55:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-21 18:55:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:55:33,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:33,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:33,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:33,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:33,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:55:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:33,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:55:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:33,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:55:33,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:33,517 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:55:33,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:55:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-21 18:55:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:55:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:55:33,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:33,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:33,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:33,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:55:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:33,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:55:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:33,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:55:33,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:34,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:55:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-21 18:55:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-21 18:55:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:55:34,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:34,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:34,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:34,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:55:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:34,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:55:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:34,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:55:34,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:34,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:55:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-21 18:55:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:55:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:55:34,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:34,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:34,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:34,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:55:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:34,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:55:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:34,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:55:34,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:55:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:55:34,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-21 18:55:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-21 18:55:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-21 18:55:36,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:55:36,149 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-21 18:55:36,158 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-21 18:55:36,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:55:36,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:55:36 ImpRootNode [2023-11-21 18:55:36,201 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:55:36,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:55:36,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:55:36,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:55:36,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:32" (3/4) ... [2023-11-21 18:55:36,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:55:36,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:55:36,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:55:36,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-21 18:55:36,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 18:55:36,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:55:36,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:55:36,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:55:36,335 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:55:36,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:55:36,336 INFO L158 Benchmark]: Toolchain (without parser) took 15992.76ms. Allocated memory was 65.0MB in the beginning and 132.1MB in the end (delta: 67.1MB). Free memory was 35.8MB in the beginning and 78.3MB in the end (delta: -42.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,336 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:36,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2554.93ms. Allocated memory was 65.0MB in the beginning and 109.1MB in the end (delta: 44.0MB). Free memory was 35.6MB in the beginning and 47.6MB in the end (delta: -12.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.92ms. Allocated memory is still 109.1MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,338 INFO L158 Benchmark]: Boogie Preprocessor took 65.09ms. Allocated memory is still 109.1MB. Free memory was 43.5MB in the beginning and 78.6MB in the end (delta: -35.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,338 INFO L158 Benchmark]: RCFGBuilder took 9110.32ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 59.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,339 INFO L158 Benchmark]: CodeCheck took 4023.46ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 59.0MB in the beginning and 83.6MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:36,339 INFO L158 Benchmark]: Witness Printer took 133.18ms. Allocated memory is still 132.1MB. Free memory was 83.6MB in the beginning and 78.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:55:36,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 28 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 51 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 25 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1900]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1902]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1902]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1858]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2554.93ms. Allocated memory was 65.0MB in the beginning and 109.1MB in the end (delta: 44.0MB). Free memory was 35.6MB in the beginning and 47.6MB in the end (delta: -12.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.92ms. Allocated memory is still 109.1MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.09ms. Allocated memory is still 109.1MB. Free memory was 43.5MB in the beginning and 78.6MB in the end (delta: -35.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9110.32ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 59.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4023.46ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 59.0MB in the beginning and 83.6MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 133.18ms. Allocated memory is still 132.1MB. Free memory was 83.6MB in the beginning and 78.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:55:36,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc4bb1a-d75e-4403-8ebb-e9b204201f03/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE