./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc120a35f3e4d083158deea32322882faa73723d02c89f45ae81ad994f702e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:12,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:12,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:14:12,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:12,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:12,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:12,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:12,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:12,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:12,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:14:12,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:12,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:12,610 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:12,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:12,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:12,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:12,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc120a35f3e4d083158deea32322882faa73723d02c89f45ae81ad994f702e9 [2024-11-25 05:14:12,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:12,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:12,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:12,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:12,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:12,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2018/Problem18.c [2024-11-25 05:14:16,023 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/data/116921c46/3cea5d616d1f4a1c89abf9fcc9ef5b8f/FLAGbd7d7a6a4 [2024-11-25 05:14:26,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:26,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/sv-benchmarks/c/eca-rers2018/Problem18.c [2024-11-25 05:14:28,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/data/116921c46/3cea5d616d1f4a1c89abf9fcc9ef5b8f/FLAGbd7d7a6a4 [2024-11-25 05:14:28,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/bin/ukojak-verify-ENZ3QT5qd3/data/116921c46/3cea5d616d1f4a1c89abf9fcc9ef5b8f [2024-11-25 05:14:28,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:28,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:28,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:28,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:28,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:28,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:28" (1/1) ... [2024-11-25 05:14:28,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4164bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:28, skipping insertion in model container [2024-11-25 05:14:28,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:28" (1/1) ... [2024-11-25 05:14:32,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:35,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/sv-benchmarks/c/eca-rers2018/Problem18.c[778,791] [2024-11-25 05:14:35,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664c1028-f47d-4fff-8e5f-2f39d2cc4f52/sv-benchmarks/c/eca-rers2018/Problem18.c[817,830]