./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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 f00e7fe8a0564889b95c03236642004853000ec84c5164cd344d54b3b6056bbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:17,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:17,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:04:17,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:17,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:17,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:17,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:17,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:17,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:17,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:17,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:17,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:17,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:17,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:17,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:17,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:17,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:17,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:17,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:17,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:17,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:17,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:17,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:17,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:17,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:17,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:17,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:17,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:17,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:17,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:17,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:17,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:17,164 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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f00e7fe8a0564889b95c03236642004853000ec84c5164cd344d54b3b6056bbe [2023-11-23 20:04:17,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:17,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:17,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:17,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:17,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:17,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i [2023-11-23 20:04:20,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:21,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:21,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i [2023-11-23 20:04:21,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/0999437e7/a55b9ba1c10348589e5d8c40f6047cb5/FLAG07ab3594d [2023-11-23 20:04:21,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/0999437e7/a55b9ba1c10348589e5d8c40f6047cb5 [2023-11-23 20:04:21,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:21,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:21,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:21,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:21,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:21,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:21" (1/1) ... [2023-11-23 20:04:21,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b07a818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:21, skipping insertion in model container [2023-11-23 20:04:21,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:21" (1/1) ... [2023-11-23 20:04:21,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:21,961 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:23,147 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 20:04:23,165 INFO L158 Benchmark]: Toolchain (without parser) took 1863.04ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 104.6MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,165 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:23,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1859.09ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 104.6MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1859.09ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 104.6MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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 f00e7fe8a0564889b95c03236642004853000ec84c5164cd344d54b3b6056bbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:25,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:25,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:04:25,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:25,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:25,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:25,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:25,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:25,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:25,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:25,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:25,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:25,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:25,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:25,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:04:25,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:04:25,858 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:25,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:04:25,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:25,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:25,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:25,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:25,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:25,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:25,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:25,862 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:25,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:25,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:25,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:25,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:25,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:25,865 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:04:25,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:25,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:25,866 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:04:25,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:25,867 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_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f00e7fe8a0564889b95c03236642004853000ec84c5164cd344d54b3b6056bbe [2023-11-23 20:04:26,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:26,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:26,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:26,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:26,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:26,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i [2023-11-23 20:04:29,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:30,065 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:30,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_34_good.i [2023-11-23 20:04:30,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/9836039f0/1878b07ad7d54958b14fbbe2b4676875/FLAG576526141 [2023-11-23 20:04:30,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/data/9836039f0/1878b07ad7d54958b14fbbe2b4676875 [2023-11-23 20:04:30,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:30,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:30,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:30,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:30,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:30,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:30" (1/1) ... [2023-11-23 20:04:30,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766380f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:30, skipping insertion in model container [2023-11-23 20:04:30,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:30" (1/1) ... [2023-11-23 20:04:30,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:30,861 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:32,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:32,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:32,260 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:32,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:32,693 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:32,693 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:32,694 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:32,694 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:32,694 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:32,702 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:32,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32 WrapperNode [2023-11-23 20:04:32,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:32,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:32,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:32,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:32,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,815 INFO L138 Inliner]: procedures = 944, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2023-11-23 20:04:32,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:32,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:32,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:32,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:32,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:32,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:32,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:32,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:32,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:32,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:32,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:04:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:04:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:04:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:04:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:04:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:04:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:04:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:04:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:04:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:04:33,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:33,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:41,298 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:41,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:41,343 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:04:41,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:41 BoogieIcfgContainer [2023-11-23 20:04:41,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:41,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:41,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:41,357 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:41,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:41" (1/1) ... [2023-11-23 20:04:41,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-23 20:04:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-23 20:04:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:04:41,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:41,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:04:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:41,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:41,877 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 20:04:41,880 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:04:41,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:44,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:04:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:04:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:04:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:04:44,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:44,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:44,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:44,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:04:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:44,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:45,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:04:45,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:45,082 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 20:04:45,084 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:04:45,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:04:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:04:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:04:45,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:45,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:45,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:45,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:45,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:04:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:45,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:45,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:04:45,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:45,612 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 20:04:45,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:04:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:04:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:04:45,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:45,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:04:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:45,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:45,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:45,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:45,988 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 20:04:45,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:46,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:04:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:04:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:04:46,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:46,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:46,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:46,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:46,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:04:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:46,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:46,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:04:46,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:46,579 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 20:04:46,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:49,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:04:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-23 20:04:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-23 20:04:49,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:04:49,653 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-23 20:04:49,660 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-23 20:04:49,711 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:04:49,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:04:49 ImpRootNode [2023-11-23 20:04:49,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:04:49,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:04:49,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:04:49,714 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:04:49,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:41" (3/4) ... [2023-11-23 20:04:49,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:04:49,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:04:49,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:04:49,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:04:49,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:04:49,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:04:49,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:04:49,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:04:49,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:04:49,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:04:49,841 INFO L158 Benchmark]: Toolchain (without parser) took 19695.77ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 41.4MB in the end (delta: 5.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,841 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 54.5MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:49,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2554.62ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.5MB in the beginning and 42.7MB in the end (delta: 3.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.53ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 38.6MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,843 INFO L158 Benchmark]: Boogie Preprocessor took 45.41ms. Allocated memory is still 92.3MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,843 INFO L158 Benchmark]: RCFGBuilder took 8481.78ms. Allocated memory is still 92.3MB. Free memory was 36.5MB in the beginning and 51.3MB in the end (delta: -14.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,844 INFO L158 Benchmark]: CodeCheck took 8367.43ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 47.0MB in the end (delta: 4.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,844 INFO L158 Benchmark]: Witness Printer took 126.19ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 41.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:04:49,847 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: 8.3s, 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, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 17.5s 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, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 13 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 22 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: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: 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: 1882]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 54.5MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2554.62ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.5MB in the beginning and 42.7MB in the end (delta: 3.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.53ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 38.6MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.41ms. Allocated memory is still 92.3MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8481.78ms. Allocated memory is still 92.3MB. Free memory was 36.5MB in the beginning and 51.3MB in the end (delta: -14.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 8367.43ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 47.0MB in the end (delta: 4.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 126.19ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 41.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:04:49,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde2d505-e9e9-412b-a6b2-b22272c0bbe2/bin/ukojak-verify-1t5iHCbJaC/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