./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c --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_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/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_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/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_fe8564ab-ee50-4735-8093-f05b7aedd9a1/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 8178c9017fa113f95438a6ec8d3280c5b771464b2692c19f359304a81db33c4d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:19,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:19,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:20,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:20,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:20,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:20,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:20,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:20,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:20,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:20,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:20,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:20,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:20,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:20,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:20,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:20,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:20,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:20,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:20,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:20,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:20,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:20,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:20,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:20,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:20,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:20,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:20,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:20,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:20,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:20,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:20,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:20,084 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_fe8564ab-ee50-4735-8093-f05b7aedd9a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8178c9017fa113f95438a6ec8d3280c5b771464b2692c19f359304a81db33c4d [2023-11-23 20:27:20,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:20,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:20,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:20,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:20,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:20,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c [2023-11-23 20:27:23,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:27,587 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:27,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/sv-benchmarks/c/coreutils-v8.31/od_3args_ok.c [2023-11-23 20:27:28,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/data/1b14d5cab/814a6e4563fb435897f140de53cba8d6/FLAG948091dd1 [2023-11-23 20:27:28,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8564ab-ee50-4735-8093-f05b7aedd9a1/bin/ukojak-verify-1t5iHCbJaC/data/1b14d5cab/814a6e4563fb435897f140de53cba8d6 [2023-11-23 20:27:28,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:28,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:28,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:28,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:28,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:28,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243ba20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28, skipping insertion in model container [2023-11-23 20:27:28,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:39,487 INFO L177 MainTranslator]: Built tables and reachable declarations