./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL --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 109d79acc9f0ebf30672589a81cb76b857da77dbea7f7c16d3f17b5b5da23748 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:40,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:40,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:12:40,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:40,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:40,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:40,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:40,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:40,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:40,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:40,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:40,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:40,768 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:40,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:40,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:40,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:40,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:40,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:40,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:40,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:40,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:40,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:40,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:40,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:40,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:40,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:40,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:40,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:40,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:40,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:40,777 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:40,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:40,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:40,778 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_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109d79acc9f0ebf30672589a81cb76b857da77dbea7f7c16d3f17b5b5da23748 [2023-11-19 03:12:41,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:41,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:41,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:41,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:41,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:41,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2018/Problem16.c [2023-11-19 03:12:44,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:48,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:48,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/sv-benchmarks/c/eca-rers2018/Problem16.c [2023-11-19 03:12:49,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/data/ea8068be0/1d6ed6a2133f4ccdbbf93fc31a7b4299/FLAG240ca62dc [2023-11-19 03:12:49,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/bin/ukojak-verify-G8NBE6pJGL/data/ea8068be0/1d6ed6a2133f4ccdbbf93fc31a7b4299 [2023-11-19 03:12:49,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:49,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:49,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:49,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:49,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:49,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:49" (1/1) ... [2023-11-19 03:12:49,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6253cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:49, skipping insertion in model container [2023-11-19 03:12:49,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:49" (1/1) ... [2023-11-19 03:12:52,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:53,454 WARN L240 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_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/sv-benchmarks/c/eca-rers2018/Problem16.c[778,791] [2023-11-19 03:12:53,537 WARN L240 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_8c2310b7-c4a4-4b7b-8da4-806e8ecff07c/sv-benchmarks/c/eca-rers2018/Problem16.c[817,830]