./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_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_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/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_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/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_6035ca3b-1bf3-46fd-87be-72625d3aa341/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 ed7b5e1995ddb56d56b9d7b6b659f05bfaf99de0a92db48b73f3fbe6b1b1a7d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:33,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:33,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:30:33,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:33,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:33,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:33,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:33,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:33,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:33,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:33,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:33,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:33,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:33,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:33,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:33,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:33,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:33,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:33,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:33,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:33,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:33,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:33,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:33,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:33,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:33,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:33,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:33,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:33,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:33,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:33,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:33,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:33,407 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_6035ca3b-1bf3-46fd-87be-72625d3aa341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7b5e1995ddb56d56b9d7b6b659f05bfaf99de0a92db48b73f3fbe6b1b1a7d0 [2023-11-23 20:30:33,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:33,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:33,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:33,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:33,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:33,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i [2023-11-23 20:30:36,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:37,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:37,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i [2023-11-23 20:30:37,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/92a379b03/42686a9f37234feeaf97f5c99ed93972/FLAGebcb9edf5 [2023-11-23 20:30:37,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/92a379b03/42686a9f37234feeaf97f5c99ed93972 [2023-11-23 20:30:37,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:37,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:37,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:37,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:37,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:37,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b68ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37, skipping insertion in model container [2023-11-23 20:30:37,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:38,123 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:39,501 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) [2023-11-23 20:30:39,508 INFO L158 Benchmark]: Toolchain (without parser) took 2061.74ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 105.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:39,509 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:39,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2056.98ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 105.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:39,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2056.98ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 105.7MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/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_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/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_6035ca3b-1bf3-46fd-87be-72625d3aa341/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 ed7b5e1995ddb56d56b9d7b6b659f05bfaf99de0a92db48b73f3fbe6b1b1a7d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:42,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:42,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:30:42,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:42,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:42,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:42,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:42,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:42,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:42,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:42,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:42,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:42,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:42,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:42,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:30:42,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:30:42,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:42,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:30:42,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:42,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:42,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:42,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:42,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:42,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:42,240 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:42,241 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:42,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:42,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:42,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:42,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:42,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:42,245 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:30:42,245 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:42,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:42,246 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:30:42,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:42,247 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_6035ca3b-1bf3-46fd-87be-72625d3aa341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7b5e1995ddb56d56b9d7b6b659f05bfaf99de0a92db48b73f3fbe6b1b1a7d0 [2023-11-23 20:30:42,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:42,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:42,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:42,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:42,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:42,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i [2023-11-23 20:30:45,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:46,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:46,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_63_good.i [2023-11-23 20:30:46,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/afd12f410/f16afbdd001647aa83d2d15d374590b6/FLAG4dfa4b263 [2023-11-23 20:30:46,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/data/afd12f410/f16afbdd001647aa83d2d15d374590b6 [2023-11-23 20:30:46,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:46,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:46,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:46,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:46,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:46,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:46" (1/1) ... [2023-11-23 20:30:46,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7286aabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:46, skipping insertion in model container [2023-11-23 20:30:46,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:46" (1/1) ... [2023-11-23 20:30:46,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:47,225 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:48,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:48,747 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:48,785 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:48,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:49,145 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:49,146 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:49,146 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:49,146 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:49,146 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:49,154 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:49,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49 WrapperNode [2023-11-23 20:30:49,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:49,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:49,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:49,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:49,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,280 INFO L138 Inliner]: procedures = 946, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 66 [2023-11-23 20:30:49,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:49,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:49,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:49,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:49,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:49,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:49,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:49,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:49,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:49,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:49,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:30:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:30:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:30:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:30:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:30:49,581 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:49,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:55,565 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:55,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:55,646 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:55,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:55 BoogieIcfgContainer [2023-11-23 20:30:55,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:55,650 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:55,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:55,661 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:55,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:55" (1/1) ... [2023-11-23 20:30:55,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-23 20:30:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-23 20:30:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:55,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:55,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:55,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:30:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:56,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:56,286 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 20:30:56,290 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:56,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:57,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:30:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:30:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:30:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:57,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:57,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:57,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:30:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:58,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:58,267 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 20:30:58,270 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:58,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:30:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:30:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:58,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:58,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:58,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:58,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:58,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:30:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:59,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:59,174 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 20:30:59,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:30:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:30:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:30:59,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:59,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:59,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:30:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:59,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:59,673 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 20:30:59,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 20:30:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:30:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:30:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:30:59,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:59,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:59,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:59,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:31:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:31:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:31:00,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:00,372 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 20:31:00,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-23 20:31:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-23 20:31:01,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:31:01,898 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-23 20:31:01,906 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-23 20:31:01,962 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:01,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:31:01 ImpRootNode [2023-11-23 20:31:01,965 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:31:01,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:01,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:01,966 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:01,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:55" (3/4) ... [2023-11-23 20:31:01,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:01,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:31:01,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:31:01,985 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-23 20:31:01,986 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-23 20:31:01,986 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:31:01,986 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:31:02,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:31:02,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:31:02,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:02,126 INFO L158 Benchmark]: Toolchain (without parser) took 15602.51ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 40.0MB in the beginning and 37.7MB in the end (delta: 2.3MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,126 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:02,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2628.88ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 39.7MB in the beginning and 34.2MB in the end (delta: 5.5MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.28ms. Allocated memory is still 94.4MB. Free memory was 34.2MB in the beginning and 61.0MB in the end (delta: -26.8MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,129 INFO L158 Benchmark]: Boogie Preprocessor took 43.20ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,130 INFO L158 Benchmark]: RCFGBuilder took 6322.69ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 39.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,130 INFO L158 Benchmark]: CodeCheck took 6315.59ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 42.7MB in the end (delta: -3.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,135 INFO L158 Benchmark]: Witness Printer took 158.85ms. Allocated memory is still 113.2MB. Free memory was 42.7MB in the beginning and 37.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:02,141 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: 6.2s, 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, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 11.3s 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, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 22 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 29 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: 1865]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1865]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: 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 0.67ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2628.88ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 39.7MB in the beginning and 34.2MB in the end (delta: 5.5MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.28ms. Allocated memory is still 94.4MB. Free memory was 34.2MB in the beginning and 61.0MB in the end (delta: -26.8MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.20ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6322.69ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 39.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6315.59ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 42.7MB in the end (delta: -3.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 158.85ms. Allocated memory is still 113.2MB. Free memory was 42.7MB in the beginning and 37.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:31:02,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6035ca3b-1bf3-46fd-87be-72625d3aa341/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