./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi --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 aba3138c156317a0cd941a2ccaf1c9dc83fb609698a3da8e3e51deeefc2096ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:34,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:34,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:34,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:34,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:34,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:34,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:34,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:34,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:34,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:34,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:34,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:34,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:34,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:34,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:34,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:34,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:34,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:34,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:34,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:34,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:34,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:34,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:34,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:34,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:34,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:34,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:34,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:34,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:34,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:34,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:34,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:34,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:34,369 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_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba3138c156317a0cd941a2ccaf1c9dc83fb609698a3da8e3e51deeefc2096ac [2023-11-24 22:12:34,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:34,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:34,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:34,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:34,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:34,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-programs/Problem102_label01.c [2023-11-24 22:12:37,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:41,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:41,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/sv-benchmarks/c/eca-programs/Problem102_label01.c [2023-11-24 22:12:42,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/data/0caa37ff8/6e4d7c84ac3d4bb5930682d6fe528026/FLAG919788173 [2023-11-24 22:12:42,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68136d2e-a3e5-4b6f-a358-9619569b9800/bin/ukojak-verify-afCqCEvfdi/data/0caa37ff8/6e4d7c84ac3d4bb5930682d6fe528026 [2023-11-24 22:12:42,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:42,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:42,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:42,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:42,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:42,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baa5371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42, skipping insertion in model container [2023-11-24 22:12:42,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:44,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:11,694 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_68136d2e-a3e5-4b6f-a358-9619569b9800/sv-benchmarks/c/eca-programs/Problem102_label01.c[5709354,5709367] [2023-11-24 22:13:11,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:11,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:27,472 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_68136d2e-a3e5-4b6f-a358-9619569b9800/sv-benchmarks/c/eca-programs/Problem102_label01.c[5709354,5709367] [2023-11-24 22:13:27,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:33,212 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:33,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:33 WrapperNode [2023-11-24 22:13:33,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:33,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:33,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:33,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:33,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:33" (1/1) ... [2023-11-24 22:13:34,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:33" (1/1) ...